Seifert Systems introduced the SoliTherm® Peltier Series of thermoelectric enclosure air conditioners with both AC- and DC-powered models. All thermoelectric units comply with UL type 4X ratings, come in a standard 304 finish, and can be used for both indoor and outdoor applications. Cooling capacities ranges from 100 to 2,730 Btuh, and operating temperatures range from minus 4° to 149°F. Over 20 SoliTherm Peltier models provide flexibility for users to choose physical size and cooling capacity with recessed and fully external versions. They can be mounted in any position except roof mounted. Thermoelectric accessories include condensation drain kits and external mounting kits.